Don
you need a solver that can model a Layered Impedance boundary. Ansys HFSS,
Ansys 2D and Simbeor Simberian can do this. I'm sure there are others.
regards,
Scott
Scott McMorrow
Consultant - R&D
16 Stormy Brook Rd
Falmouth, ME 04105
(401) 284-1827 Business
http://www.teraspeed.com
On Wed, Apr 1, 2015 at 3:35 PM, Don Girard <
dmarc-noreply-outsider@xxxxxxxxxxxxx> wrote:
Hi List,
Looking for suggestions on how to model effect of thin coatings in a
simple coax model.
Plan now is to build and measure effects..but would be nice to be able to
model.
Not having too much success. any thoughts appreciated.
assume coaxial geometry
assume no air between any elements.
D= I.D. of outer shell element
d. = O.D. of inner
d = Copper Center core pin O.D. = .762 mm - plated with 762 nanometers of
Silver.
Dielectric between the inner pin and the outer return path = polystyrene.
D = 2.286 mm I.D. of a polystyrene shell - inner surface of shell form
return path by adding a 5 nanometer of a silver coating, everything beyond
the the coating is just polystyrene.
When I try to model in CST - the size of the elements to get any
information about the 5 nanometer coating - well lets just say we got
nowhere ?
any suggestions?
Best Regards,
Don Girard
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